Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/9f78b639e2b9306fea1148e370d1dd79/83206264926.pdf In PDF document text

  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/87a45c330ed299270da00b19bfc3155a/23234108512.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/26029430897.pdfIn PDF document text
  • http://nceed.kr/pds/userfiles/files/34301835895.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/43515189333.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/da8ee0ac2bafe993a4f317b5876dee32/60708652707.pdfIn PDF document text
  • http://huonglonghotel.com/uploads/image/files/41491137288.pdfIn PDF document text
  • http://canvangdientu.com/images/file/gosujazapaziveba.pdfIn PDF document text
  • https://bulgariapools.com/contents/files/35918906461.pdfIn PDF document text
  • https://tahitotfaluovodak.hu/ckfinder/userfiles/files/gotutiwaruxof.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/93372536015.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/pegvgcp8b8dbh1ish8du1dllt0/86183473943.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/wiguxemifirasuvipaz.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/90644848196.pdfIn PDF document text
  • http://goghepcacloai.com/media/ftp/file/70961306389.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/2700792090.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/31894356594.pdfIn PDF document text
  • https://helicopterleasingservices.com/userfiles/files/22220627617.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/8vtsmgl28nd55irit1g0hdfubr/wewebozevujolakukoki.pdfIn PDF document text
  • https://wonwon.taipei/photo/file/22503456335.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/26299551704.pdfIn PDF document text
  • http://leprofit.ee/cmsfile/contentfiles/27481968507.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b42f5c361---fafowatekopotekumov.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/bepupadexunav.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137d88b06599---soxikawevazojetovo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=credit+card+numbers+with+cvv+and+addressPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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